I've run SETI@Home on our home Solaris 10 Sun Fire 120 (SPARC) server for several years (BOINC 6.2.19 & setiathome-5.12.sparc-sun-solaris) with no trouble -- it just worked. I noticed recently (while looking at replacing the server with an Intel-based Solaris 11 system) that the clients stopped getting work units back in June 2013. I don't expect to keep the Sun Fire 120 running much long, so would like to have a look at SETI@Home on the new(er) Solaris 11 system.

I managed to compile (working?) BOINC 7.2.33 and SETI@Home 7.19 64-bit clients from source using GCC-4.5.2.

The BOINC client appears to start & run OK (boinc_client --daemon) but complains that my app_info.xml file doesn't have a usable version of SETI@Home v7.

The seti_boinc client source doesn't suggest an app_info.xml file for the software (that I can find), so I created by own from various sources, to wit: